At an annual summer camp in Romania, Hungarian Prime Minister Viktor Orban rallied supporters with a speech echoing familiar themes: praise for Donald Trump and criticism of the EU.

Texas Republican officials at the Conservative Political Action Conference on Friday prodded attendees to suit up for a “red wave” in the upcoming November midterm elections, criticizing ...

In May, Mr. Orban had given Mr. Xi a red-carpet welcome in Budapest, the Hungarian capital, bolstering China’s efforts to restore its influence in Europe at a time when the European Union as a ...